Core Viewpoint - The electronic chemicals sector experienced a significant decline, with a drop of 3.46% on November 21, led by a notable decrease in Siquan New Materials, which fell by 10.18% [1][2]. Market Performance - The Shanghai Composite Index closed at 3834.89, down 2.45%, while the Shenzhen Component Index closed at 12538.07, down 3.41% [1]. - The electronic chemicals sector saw various individual stock performances, with Shanghai Xinyang increasing by 3.20% and Siquan New Materials decreasing by 10.18% [1][2]. Trading Volume and Capital Flow - The electronic chemicals sector had a net outflow of 800 million yuan from institutional investors, while retail investors saw a net inflow of 560 million yuan [2]. - The trading volume for key stocks included Shanghai Xinyang with 208,700 shares and Siquan New Materials with 67,400 shares [1][2]. Individual Stock Highlights - Notable declines included: - Siquan New Materials: 160.61 yuan, down 10.18%, with a trading volume of 67,400 shares and a turnover of 1.112 billion yuan [2]. - Hongchang Electronics: 7.01 yuan, down 10.01%, with a trading volume of 940,400 shares and a turnover of 677 million yuan [2]. - Positive performers included: - Shanghai Xinyang: 58.30 yuan, up 3.20%, with a trading volume of 208,700 shares [1]. Capital Flow Analysis - The capital flow analysis indicated that: - Nanda Optoelectronics had a net inflow of 82.65 million yuan from institutional investors, while retail investors had a net outflow of 29.20 million yuan [3]. - Xilong Science saw a net inflow of 32.24 million yuan from institutional investors, with retail investors experiencing a net outflow of 21.41 million yuan [3].